10mm Auto vs .40 S&W
A detailed comparison between 10mm Auto and .40 S&W covering bullet energy, penetration, ballistics, recoil, and cost data to help you choose the right caliber for your needs.
Ammunition Parameters
10mm Auto Parameters (Self-Defense Load)
Bullet Type:
JHP
Bullet Weight:
175 grains
Muzzle Velocity:
1150 fps
Ballistic Coefficient:
0.155
Zero Range:
25 yards
Drag Function:
G1
Sight Height:
0.5 inches
.40 S&W Parameters (Self-Defense Load)
Bullet Type:
JHP
Bullet Weight:
165 grains
Muzzle Velocity:
1175 fps
Ballistic Coefficient:
0.145
Zero Range:
25 yards
Drag Function:
G1
Sight Height:
0.5 inches
Energy Comparison
Comparing the muzzle energy and energy retention at various distances between 10mm Auto and .40 S&W.
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Bullet Penetration
Comparison of estimated penetration depth in 10% ballistic gel between 10mm Auto and .40 S&W at self-defense distances.
Self-Defense Ammunition Penetration
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Notes:
- FBI standard for optimal penetration is 12-18 inches in 10% ballistics gel
- Our penetration data is calculated using mathematical models based on sectional density, velocity, and expansion factors. While not actual gel tests, our calculations have been validated against manufacturer test data and provide reliable estimates for comparison purposes.
- Actual results may vary depending on clothing barriers and other factors
Recoil Comparison
Comparing recoil energy and impulse between 10mm Auto and .40 S&W.
10mm Auto Recoil (Self-Defense Load)
Bullet Weight:
175.0 gr
Bullet Velocity:
1150.0 fps
Powder Charge:
9 gr
Firearm Weight:
2.5 lbs
Recoil Impulse:
1.09 lbs·sec
Recoil Velocity:
14.07 fps
Recoil Energy:
7.69 ft·lbf
.40 S&W Recoil (Self-Defense Load)
Bullet Weight:
165.0 gr
Bullet Velocity:
1175.0 fps
Powder Charge:
4.5 gr
Firearm Weight:
2.5 lbs
Recoil Impulse:
0.96 lbs·sec
Recoil Velocity:
12.36 fps
Recoil Energy:
5.94 ft·lbf
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Notes:
- Recoil calculations based on bullet weight, velocity, powder charge, and firearm weight
- Recoil energy indicates the felt force when firing the weapon
- Recoil impulse represents momentum transfer during firing
- Actual felt recoil can vary based on grip, stance, and firearm design
Velocity Comparison
Velocity decay from muzzle to 50 yards for 10mm Auto and .40 S&W.
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Trajectory Comparison
Comparing bullet drop at various ranges between 10mm Auto and .40 S&W.
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Try Our Ballistics Calculators
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